Whakaoti mō x
x=\frac{4z-3y}{11}
Whakaoti mō y
y=\frac{4z-11x}{3}
Tohaina
Kua tāruatia ki te papatopenga
2.75x+0.75y=z
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2.75x=z-0.75y
Tangohia te 0.75y mai i ngā taha e rua.
2.75x=-\frac{3y}{4}+z
He hanga arowhānui tō te whārite.
\frac{2.75x}{2.75}=\frac{-\frac{3y}{4}+z}{2.75}
Whakawehea ngā taha e rua o te whārite ki te 2.75, he ōrite ki te whakarea i ngā taha e rua ki te tau huripoki o te hautanga.
x=\frac{-\frac{3y}{4}+z}{2.75}
Mā te whakawehe ki te 2.75 ka wetekia te whakareanga ki te 2.75.
x=\frac{4z-3y}{11}
Whakawehe z-\frac{3y}{4} ki te 2.75 mā te whakarea z-\frac{3y}{4} ki te tau huripoki o 2.75.
2.75x+0.75y=z
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
0.75y=z-2.75x
Tangohia te 2.75x mai i ngā taha e rua.
0.75y=-\frac{11x}{4}+z
He hanga arowhānui tō te whārite.
\frac{0.75y}{0.75}=\frac{-\frac{11x}{4}+z}{0.75}
Whakawehea ngā taha e rua o te whārite ki te 0.75, he ōrite ki te whakarea i ngā taha e rua ki te tau huripoki o te hautanga.
y=\frac{-\frac{11x}{4}+z}{0.75}
Mā te whakawehe ki te 0.75 ka wetekia te whakareanga ki te 0.75.
y=\frac{4z-11x}{3}
Whakawehe z-\frac{11x}{4} ki te 0.75 mā te whakarea z-\frac{11x}{4} ki te tau huripoki o 0.75.
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